IMP Content-Type XSS Vulnerability Vulnerability Scan

The remote server is running at least one instance of IMP whose version
number is between 2.0 and 3.2.3 inclusive. Such versions are vulnerable
to a cross-scripting attack whereby a possible hacker may be able to cause a
victim to unknowingly run arbitrary Javascript code simply by reading a
MIME message with a specially crafted Content-Type header.